Just 'one crop breeding cycle away from starvation'

New research proposes genetic solutions to improve photosynthetic efficiency of food crops, boosting yield under changing climate conditions.

By 2050, the global population will have grown and urbanized so much that the world will need to produce 87% more of the four primary food crops — rice, wheat, soybeans and maize/corn — than it does today.

At the same time, the climate is projected to change over the next 30 years, with warmer temperatures and more carbon dioxide in the atmosphere. Furthermore, the land available for growing crop plants is unlikely to expand to accommodate the predicted rise in demand.

"We h

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